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NH
TM
Series
NHTC / NHPC
ELECTRODE
STEAM HUMIDIFIER
Installation Manual
2522381-C
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PROPRIETARY NOTICE This document and the information disclosed herein are proprietary data of WALTER MEIER LTD. Neither this document nor the information contained herein shall be reproduced used, or disclosed to others without the written authorization of WALTER MEIER LTD., except to the extent required for installation or maintenance of recipient’s equipment. All references to the NORTEC name should be taken as referring to WALTER MEIER LTD. LIABILITY NOTICE WALTER MEIER LTD. does not acc
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TABLE OF CONTENTS Subject Page 10-00 INTRODUCTION 1. PREINSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 A. RECEIVING & UNPACKING EQUIPMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 2. PACKAGING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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E. HOW TO REMOVE THE STEAM CYLINDER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52 F. MANDATORY CLEANING OF THE DRAIN VALVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53 G. HOW TO INSTALL THE REPLACEMENT CYLINDER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54 10-40 TROUBLESHOOTING 1. TROUBLESHOOTING NH ELECTRODE STEAM HUMIDIFIERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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LIST OF FIGURES Figure Page 10-00 INTRODUCTION Figure 1. NHTC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Figure 2. Humidifier Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Figure 3. Distributor Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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LIST OF TABLES Table Page 10-10 INSTALLATION PROCEDURE Table 1. Maximum Recommended Length of Steam Runs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 Table 2. Steam Line Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 Table 3. Recommended Material and Size for Steam Run . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 Table 4. Recommended Condensate L
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2008-08-28
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10-00 INTRODUCTION 10-00 Page 1 2008-08-28
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Figure 1. NHTC 10-00 Page 2 2008-08-28
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1. PRE-INSTALLATION A. RECEIVING & UNPACKING EQUIPMENT (1) Check packing slip to ensure ALL material has been delivered. (2) All material shortages are to be reported to NORTEC within 48 hours from receipt of goods. NORTEC assumes no responsibility for any material shortages beyond this period. (3) Inspect shipping boxes for damage and note damages on shipping waybill accordingly. (4) After unpacking, inspect equipment for damage and if damage is found, notify the shipper promptly.
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HUMIDIFIER BAG WITH MANUAL, CLAMPS, STEAM HOSE HOSE SECTION SECTION (NOT SUPPLIED IF BUILT ON BLOWER PACK CONTROLS ORDERED) (IF ORDERED ONLY) BOX WITH ABBREVIATED INSTRUCTIONS AND BOX CONTENT STICKERS Figure 2. Humidifier Box Figure 3. Distributor Box Figure 4. SAM-e Distributor Box Figure 5. Remote Mounted Blower Pack Box 10-00 Page 4 2008-08-28 H096
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3. PREINSTALLATION EQUIPMENT VERIFICATION A. GENERAL (1) Ensure that available voltage and phase corresponds with humidifier voltage and phase as indicated on humidifier’s specification label. (2) Ensure that the dedicated external fuse disconnect is of sufficient size to handle the rated amps as indicated on the specification label. Refer to local codes. (3) Report any discrepancy immediately to the site engineer. (4) Location and mounting is described in Chapter 10-10. (5) Typical
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Figure 6. Typical NHTC Installation (Sheet 1 of 2) 10-00 Page 6 2008-08-28
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Figure 7. Typical NHTC Installation (Sheet 2 of 2) 10-00 Page 7 2008-08-28
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10-10 INSTALLATION 10-10 Page 9 2008-08-28
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1. HUMIDIFIER INSTALLATION A. LOCATION (1) The NORTEC NHTC series humidifier is designed to mount on a suitable wall or vertical surface. Do not sit the unit on the floor due to clearances required for plumbing and electrical connections. The clearance dimensions shown in this manual are for reference only and are the minimum required for maintenance on the humidifier. Local and national codes should be consulted before final location and installation of the humidifier. NORTEC cannot
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D. WATER SUPPLY LINE (4) All water supply and drain line connections should be installed in accordance with local plumbing codes. (5) For installation details see Figure 5 & 6. E. DRAIN LINE CAUTION DRAIN WATER FROM HUMIDIFIER CAN BE VERY HOT. (1) The drain line should not end in a sink used frequently by personnel, or where plumbing codes prohibit it. Route to a floor drain or equivalent for safety reasons. (2) For installation details see Figure 4. F. STEAM RUNS AND CONDENSA
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Figure 1. Clearances and Operating Conditions Figure 2. Mounting with Keyholes Figure 3. Mounting with Mounting Bracket 10-10 Page 12 2008-08-28
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Figure 4. Drain Water and Supply Connection 10-10 Page 13 2008-08-28
